"I would be interested to understand how you come up with the 6l/h. If I assume a mechanic to electric one way conversion efficiency around 80% and an engine efficiency around 25%, a propeller efficiency of 80% 6l/h gives you around 6KW mechanical…"
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frederic reblewski
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frederic reblewski's Page
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"to be fair to Cessna, 30l/h is at around 180km/h. energy varying as the third power of speed that would be 3l/h at 80km/h .... if it was not below the 172 stall speed!"
Profile Information
- About Me:
- engineer with interest in anything that flies.
- Please tell us a bit about your UAV interest
- mainly interested in airframes and the "system" aspect of UAS with an emphasis on efficiency. more interested in data than what is "cool"
- Hometown:
- originally from Paris, France
Frederic reblewski's Blog
3D printed brushless gimbal for GoPro
Posted on June 29, 2013 at 7:00pm 25 Comments 9 Likes
I am a member of a French yahoo group on 3D printing. Today a member posted a link to this nice brushless gimbal that he designed for the GoPro hero3 and posted on Thingiverse. he did not reference the controller he is using but he published the design files …
ContinueSmall UAV Design and Application talk at Carnegie Mellon's Silicon Valley campus
Posted on March 28, 2011 at 3:30pm 3 Comments 4 Likes
for those in the bay area:
Date and Time
Thursday, April 14 |
Comment Wall (1 comment)
- At 12:26pm on July 22, 2011,
George Tarrant said…
Frederick
I do plan to write up my method for PID tuning but other commitments mean it may not be anytime soon.
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